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Audi A4 Engine Parts & Accessories

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Lower Radiator Hose

ES#4899608 - 8K0121055B - Lower Radiator Hose - Direct replacement for your worn or cracked hose - Rein - Audi

Direct replacement for your worn or cracked hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899608
Mfg#:
8K0121055B
In Stock
$71.99 USD
Free Shipping
on orders $49 and up

Piston Ring Set - Priced Each

ES#3969763 - 06J198151P - Piston Ring Set - Priced Each - One set required per piston - Kolbenschmidt - Audi

One set required per piston *Post oil consumption TSB piston rings - Must be used with updated post Technical Service Bulletin piston (06H107065DM)

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3969763
Mfg#:
06J198151P
In Stock
$55.99

This product was last offered at the strikethrough price on
07-15-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - Blue

ES#2528907 - 06K919081 - Oil Pressure Sender - Blue - Pressure switch located on the oil cooler bracket - Genuine Volkswagen Audi - Audi Volkswagen

Pressure switch located on the oil cooler bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528907
Mfg#:
06K919081
In Stock
28% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$52.48

This product was last offered at the strikethrough price on
08-06-2026

$37.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan Installation Hardware Kit

ES#2593290 - 8K0805121KT - Belly Pan Installation Hardware Kit - Keep your belly pan secure with all new hardware - Genuine Volkswagen Audi - Audi

Keep your belly pan secure with all new hardware Fits up to the 2012 pre-facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593290
Mfg#:
8K0805121KT
In Stock
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4147435 - 06E103547P - Pressure Control Valve (PCV) - Located beneath the intake manifold - URO - Audi

Located beneath the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8E-6-285001, split is in the 2006 model year

Brand:
URO - Corporate Logo
ES#:
4147435
Mfg#:
06E103547P
Ships in 1 Business Day
$157.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt

ES#4305018 - 06D903137CKT2 - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Includes the tensioner assembly, ECS performance Kevlar reinforced accessory belt, relay roller and hardware - Assembled By ECS - Audi

Includes the tensioner assembly, ECS performance Kevlar reinforced accessory belt, relay roller and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305018
Mfg#:
06D903137CKT2
Ships on Aug 25, 2026
Auto Notify
ON SALE! SAVE 28%
$156.99

This product was last offered at the strikethrough price on
05-02-2026

$112.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CNC-Machined Billet Aluminum Boost Tap

ES#3432374 - 034-145-Z012 - CNC-Machined Billet Aluminum Boost Tap - Installs between the intake manifold and PCV breather hose for a solid boost reference point - 034Motorsport - Audi Volkswagen

Installs between the intake manifold and PCV breather hose for a solid boost reference point

Brand:
034Motorsport - Corporate Logo
ES#:
3432374
Mfg#:
034-145-Z012
In Stock
$63.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#471805 - N91068001 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x28 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M6x28 Secures the thermostat assembly to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471805
Mfg#:
N91068001
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete ECS Performance Engine Mount Kit - Audi B7 A4

ES#2723850 - 000805ECS06AKT - Complete ECS Performance Engine Mount Kit - Audi B7 A4 - Includes ECS performance polyurethane engine mount and snub mount - ECS - Audi

Includes ECS performance polyurethane engine mount and snub mount 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with electronically monitored engine mounts.

Brand:
ECS - Corporate Logo
ES#:
2723850
Mfg#:
000805ECS06AKT
In Stock
ON SALE! SAVE 10%
$436.99

This product was last offered at the strikethrough price on
06-13-2026

$393.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover Gasket Kit

ES#3651497 - 06e103483PKT5 - Complete Valve Cover Gasket Kit - Includes gaskets, hardware, and silicone sealant for an all-inclusive service kit - Genuine Volkswagen Audi - Audi

Includes gaskets, hardware, and silicone sealant for an all-inclusive service kit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3651497
Mfg#:
06E103483PKT5
In Stock
$540.99

This product was last offered at the strikethrough price on
02-24-2026

$392.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Lower (06H109210AG)

ES#2191734 - 06H109210AG - Timing Chain Cover - Lower (06H109210AG) - Cover for lower section of timing chain - Includes front crank seal - Genuine Volkswagen Audi - Audi Volkswagen

Cover for lower section of timing chain - Includes front crank seal Fits up to production date 1/16/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2191734
Mfg#:
06H109210AG
In Stock at Vendor
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$420.82

This product was last offered at the strikethrough price on
06-15-2026

$392.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Premium Oil Service Kit

ES#2817105 - 2332KT1 - Premium Oil Service Kit - Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi

Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2817105
Mfg#:
2332KT1
In Stock
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ARP Main Stud Kit

ES#2623114 - 201-5001 - ARP Main Stud Kit - Build it once, and build it right! - ARP - Audi BMW Volkswagen

Build it once, and build it right! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2623114
Mfg#:
201-5001
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Basic Timing Chain Kit

ES#4751254 - 06K109158BP3KT - Basic Timing Chain Kit - Includes chains, tensioners, and rails - Genuine Volkswagen Audi - Audi

Includes chains, tensioners, and rails

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4751254
Mfg#:
06K109158BP3KT
In Stock
$814.99

This product was last offered at the strikethrough price on
02-20-2026

$777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate Plus With Performance Kevlar Reinforced Accessory Belt

ES#4714578 - 0781984791KT - ECS Tuning Timing Belt Kit - Ultimate Plus With Performance Kevlar Reinforced Accessory Belt - Assembled By ECS - Audi Volkswagen

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4714578
Mfg#:
0781984791KT
In Stock at Vendor
ON SALE!
$392.99

This product was last offered at the strikethrough price on
05-02-2026

$388.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Ignition Coil - Priced Each

ES#2680957 - 06A905115D - Ignition Coil - Priced Each - Keep your engine running smooth - Bremi - Audi Volkswagen

Keep your engine running smooth

Brand:
Bremi - Corporate Logo
ES#:
2680957
Mfg#:
06A905115D
In Stock
$27.91

This product was last offered at the strikethrough price on
03-25-2026

$24.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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